Fever with rash is common among children and are seen by both dermatologists and pediatricians. Most of them are benign viral exanthems without much clinical significance. This article gives an overview of the infectious and noninfectious causes of fever with rash in children and how to diagnose them, with special emphasis on the Indian scenario as well. It also differentiates them from fever with rash caused by drugs. This review emphasizes that although benign in many cases, it is necessary to identify the signs of serious illnesses to prevent mortality or sequelae.